US3227040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color head
Assignee: Individual
•
Filing: 1962-05-17
•
Granted: 1966-01-04
•
Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 William C Dauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:39
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/73; G03B27/735
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A COLOR LAMPHOUSE COMPRISING; LIGHT SOURCE MEANS FO PROVIDING A PLURALITY OF LIGHT BEAMS ARRANGED AROUND A CENTRAL AXIS; SPECTRAL RANGE SELECTOR MEANS ASSOCIATED WITH SAID LIGHT SOURCE MEANS TO CAUSE SAID BEAMS TO BE OF PRIMARY COLORS; SAID SPECTRAL RANGE SELECTOR MEANS COMPRISING MULTIFILM SPECTRAL SELECTORS CONSTRUCTED OF A TRANSPARENT BASE COATED WITH MULTIPLE COATINGS OF MATERIALS WHOSE LIGHT TRANSMISSION CHARACTERISTICS VARY WITH THE ANGLE OF INCIDENCE OF SAID LIGHT BEAMS; MEANS ADAPTED TO DIRECT SAID BEAMS OF PRIMARY COLORS ALONG SAID CENTRAL AXIS; AND AN OPAL DIFFUSER ON SAID AXIS IN THE PATH OF SAID BEAMS TO COMBINE SAID BEAMS TO FORM A LIGHT SOURCE OF SELECTED CHARACTERISTICS.
Claim 2
Dependent Claim
110 words
A COLOR LAMPHOUSE COMPRISING; LIGHT SOURCE MEANS FO PROVIDING A PLURALITY OF LIGHT BEAMS ARRANGED AROUND A CENTRAL AXIS; SPECTRAL RANGE SELECTOR MEANS ASSOCIATED WITH SAID LIGHT SOURCE MEANS TO CAUSE SAID BEAMS TO BE OF PRIMARY COLORS; SAID SPECTRAL RANGE SELECTOR MEANS COMPRISING MULTIFILM SPECTRAL SELECTORS CONSTRUCTED OF A TRANSPARENT BASE COATED WITH MULTIPLE COATINGS OF MATERIALS WHOSE LIGHT TRANSMISSION CHARACTERISTICS VARY WITH THE ANGLE OF INCIDENCE OF SAID LIGHT BEAMS; MEANS ADAPTED TO DIRECT SAID BEAMS OF PRIMARY COLORS ALONG SAID CENTRAL AXIS; AND AN OPAL DIFFUSER ON SAID AXIS IN THE PATH OF SAID BEAMS TO COMBINE SAID BEAMS TO FORM A LIGHT SOURCE OF SELECTED CHARACTERISTICS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |